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Finding the Fourth Proportional to 173,187.36, 259,863.60 and 119,961.36

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Solution

The fourth proportional to 173,187.36, 259,863.60 and 119,961.36 is: 179,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,187.36 : 259,863.60 = 119,961.36 : x
  2. Step 2: Convert to fraction form
    173,187.36/259,863.60 = 119,961.36/x
  3. Step 3: Cross multiply
    173,187.36x = 259,863.60 × 119,961.36
  4. Step 4: Simplify right side
    173,187.36x = 31,173,590,870.50
  5. Step 5: Solve for x
    x = 31,173,590,870.50/173,187.36
  6. Step 6: Final answer
    x = 179,999.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.